Home / 14,238.51-19,648.02-8,269.20

Finding the Fourth Proportional to 14,238.51, 19,648.02 and 8,269.20

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Solution

The fourth proportional to 14,238.51, 19,648.02 and 8,269.20 is: 11,410.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,238.51 : 19,648.02 = 8,269.20 : x
  2. Step 2: Convert to fraction form
    14,238.51/19,648.02 = 8,269.20/x
  3. Step 3: Cross multiply
    14,238.51x = 19,648.02 × 8,269.20
  4. Step 4: Simplify right side
    14,238.51x = 162,473,406.98
  5. Step 5: Solve for x
    x = 162,473,406.98/14,238.51
  6. Step 6: Final answer
    x = 11,410.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.